What is a Zero Volume Keyword in SEO?

A zero volume keyword is actually not a  zero volume, but the keywords actually having zero competition.

Type of Zero Volume Keywords:-

1-Google Autofill Keywords

Actually,Google Autofill keywords are keyworsds that come from Google Autofill.
You find them by searching your desired term like “Digital” and check how Google autocompletes the sentence when you will add other letters before or after it.

2- Forum Keywords
These are keywords where forums rank in the top 10.

3-Golden Ratio Keywords
These are keywords used to explain where you are searching for underserved keywords based on the amount of posts written with the keyword in the title.
 

4-Google Search Console Keywords
These are keywords you can find from your own data.

5-Unanswered Keywords
These are the types of zero volume keywords where the top 10 just don’t answer the question.